Trackside
Train 7139 South Station to Islington
unofficial updated nightly logging since Aug 2026 How this is measured →
On time 42%
Scheduled arrival 10:14 PM · typically 10:16 PM
- Usually 2 min late
- On time (within 2 min) 42% of weekdays
- Late 5+ min 0% of weekdays
- Late 10+ min 0% of weekdays
- About 1 day in 10, it's 4+ min late
- On time ≤2 min
- Close to schedule 2–5 min
- Late 5–10 min
- Very late 10+ min
Departs South Station
Departs 9:37 PM
Based on 6 recorded weekdays — early data.
Usually on time
Show all stops
Newmarket
Scheduled arrival 9:45 PM
On time 80%
· usually on time
Uphams Corner
Scheduled arrival 9:47 PM
On time 61%
· usually on time
Four Corners/Geneva
Scheduled arrival 9:50 PM
On time 69%
· usually on time
Talbot Avenue
Scheduled arrival 9:53 PM
On time 47%
· usually 2 min late
Morton Street
Scheduled arrival 9:56 PM
On time 89%
· usually on time
Blue Hill Avenue
Scheduled arrival 9:58 PM
On time 79%
· usually on time
Fairmount
Scheduled arrival 10:01 PM
On time 47%
· usually 2 min late
Readville
Scheduled arrival 10:05 PM
On time 47%
· usually 2 min late
Endicott
Scheduled arrival 10:09 PM
On time 52%
· usually on time
Where delay builds
Typical delay along the route across weekdays.
Recent performance
How late it arrived on each recent day it ran.
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